{# load django_bootstrap5#%} CCDB server
Prof. Itay Mayrose Lab - Plant Evolution, bioinformatics, & comparative genomics


   CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsCostaceaeCheilocostusCostus speciosus (J. Koenig) Sm.

28 chromosome counts in Costus speciosus (J. Koenig) Sm.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18 IPCN online Chen, Z. y., S. j. Chen, X. x. Huang & S. f. Huang. 1988. A report on chromosome numbers on Chinese Zingiberaceae (5). Guihaia 8: 143–147.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18,27,36 IPCN online Sharma, A. K. & S. Chattopadhyay. 1983. Relative amounts of nuclear DNA in populations of Costus speciosus (Koen.) Sm. Curr. Sci. 52: 653–658.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht 17-27(irr.) 13,18,27 36,72 IPCN online Sharma, A. K. & S. Chattopadhyay. 1983. Relative amounts of nuclear DNA in populations of Costus speciosus (Koen.) Sm. Curr. Sci. 52: 653–658.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18, 27, 36 IPCN online Tyagi, B. R. & M. M. Gupta. 1987. Ploidy status and diosgenin content in Costus speciosus (Koen.) Sm. Cytologia 52: 41–46.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht 18 18, 27, 36 IPCN online Subrahmanyam, G. V. & T. N. Khoshoo. 1986. Cytological studies in the genus Costus L. Cytologia 51: 737–748.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht 9II, 9II+9I, 18II, 17II+2I 18, 27, 36 IPCN online Sharma, A. K. & S. Chattopadhyay. 1984. Karyomorphological analysis on different populations of Costus speciosus (Koen.) Sm. under different ploidy levels. Bot. Helv. 94: 355–370.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18,27,36 IPCN online Chattopadhyay, S. 1981. Chromosome studies in wild and cultivated populations of Costus speciosus. Proc. Indian Sci. Congr. Assoc. 68 (Sect. VI): 87.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18 IPCN online Mukhopadhyay, S. & A. K. Sharma. 1984. Genotype, environment and diosgenin content in Costus speciosus. Nucleus (Calcutta) 27: 116–121.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 IPCN online Mukhopadhyay, S. & A. K. Sharma. 1984. Genotype, environment and diosgenin content in Costus speciosus. Nucleus (Calcutta) 27: 116–121.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 IPCN online Omanakumari, N. & P. M. Mathew. 1988. Karyomorphological studies on two species of Costus L. New Bot. 15: 33–37.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 IPCN online Mukhopadhyay, S. & A. K. Sharma. 1990. Chromosome number and DNA content in callus culture of Costus speciosus (Koen.) Sm. Genetica 80: 109–114.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 IPCN online Sarkar, A. K. 1990. Cytological investigation of certain members of Zingiberaceae Lindl. to ascertain their taxonomic affinities. Proc. Indian Sci. Congr. Assoc. 77(3,VI): 150.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht 9   IPCN online Kamble, S. Y. 1993. IOPB chromosome data 6. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 21: 3.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht 9   IPCN online Kamble, S. Y. 1997. IOPB chromosome data 11. Newslett. Int. Organ. Pl. Biosyst. (Oslo) 26/27: 22.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht 17-27(irr.) 18,27,36 IPCN online Nagendra, P. & P. Z. Abraham. 1981. Polyploidy and speciation in Costus speciosus (Koen.) s Sm. Curr. Sci. 50: 26–28.
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18 Kumar, 1987 Sa to, D. 1948, 1960
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18, 27, 36 Kumar, 1987 Subrahmanyam, G.V. 1978 (Khoshoo, T.N. 1979) ; Nagendra, P. & Abra ham, P.Z. 198lb ; Prasad, P.N.; & Abraham, Z. 1981 nuclei) Chattopadhyay, S. 1981
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   27 Kumar, 1987 Simmonds, N.W. 1954
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 Kumar, 1987 Raghavan, T.S. & Venkatasubban, K.R. 1943; Chakravarti, A.K. 1948a, 1952b ; Sharma, A.K. & Bhatta charyya, N.K. l959c ; Larsen, K. l965c ; Mitra, K. & Datta, N. 1967 ; Ramachandran, K. 1969
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18,27 eFlora  
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18 Fedorov, 1974 Satil D. 1948, 1960
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   27 Fedorov, 1974 Simmonds 1954
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 Fedorov, 1974 Raghavan T. S:, Venkatasubban 1943
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 Fedorov, 1974 Chakravarti 1948a
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 Fedorov, 1974 Sharma A. K., Bhaltacharyya N. K. 1959c
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   18 Darlington, 1955 Sato 1948
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 Darlington, 1955 Raghavan & V. 1943
!   Costus speciosus (J. Koenig) Sm. Cheilocostus speciosus (J. Koenig) C. D. Specht   36 Cave1959 Sharma & Bhat. 19590